Those ever-fragile stock turn signals - what glue/epoxy works? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 20 Old 05-24-2018, 09:30 PM Thread Starter
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Those ever-fragile stock turn signals - what glue/epoxy works?

Due to an incident I'd rather not recount, my right rear turn signal got intimately acquainted with a rock last weekend, and was much worse for wear.

Is there a glue, epoxy, etc. which works on the black plastic of the turn signal housing? I've used electrical tape to put Humpty Dumpty (the shell) back together again - just by piecing the fragments together. This time, though, the plastic post to which the lamp socket is screwed inside the shell got cracked loose. So that turn signal lamp is now floating loose on its wires in the (taped together) shell. Not ideal, especially when I'm riding offroad. That lamp is going to bounce around like the dickens and eventually break.

Tape won't work to put that post back where it belongs. It supports a decent amount of force, due to the stiff turn signal wires & the screw holding the lamp socket in place.

I tried Loctite Repair Extreme adhesive. No dice. Even given a generous application and a full 24 hours to cure, it acted like rubber cement. Not chemically compatible with the turn signal plastic, apparently.

Loctite Super Glue Ultra Gel was similarly fruitless. It stuck, but the resulting joint was so brittle that the post cracked right off again, when I was driving in the screw that holds the lamp socket in place.

Is a two-part epoxy of some sort the answer? I don't know which one to use.

Are there aftermarket replacements for the turn signal housings that are fairly low-effort to install? I'm not paying $60+ for a factory turn signal housing that will just get broken again, but I might see fit if there's a fairly cheap replacement. Especially if it doesn't require a major re-wiring project.

I know there are "flush mount" replacements for the front signals, but the rear signals are a bit different.
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post #2 of 20 Old 05-24-2018, 11:24 PM
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post #3 of 20 Old 05-24-2018, 11:28 PM Thread Starter
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Huh, never tried that on plastic before. Got some, guess I'll give it a shot.

Also attempting a shoe repair - results tomorrow-ish.

Last edited by DesertBike; 05-24-2018 at 11:58 PM.
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post #4 of 20 Old 05-25-2018, 01:01 AM
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I use Goop plumbing adhesive for anything that's difficult to glue.
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post #5 of 20 Old 05-25-2018, 01:11 AM
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Quote:
Originally Posted by TAC PRO View Post
I use Goop plumbing adhesive for anything that's difficult to glue.
Goop Automotive has been holding my thoroughly shattered turn signal housing together for over 100 thousand kilometers. I think that is probably the way to go. Throw a heat gun on it and it smooths out nicely. It's also holding my handguards together.

Amazing GOOP Automotive Adhesive, Black | Canadian Tire
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post #6 of 20 Old 05-25-2018, 01:34 AM Thread Starter
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I guess I'll give Goop a shot if JB Weld doesn't pan out.
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post #7 of 20 Old 05-25-2018, 06:57 AM
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I just repaired all 4 of my blinker stalks. I used some epoxy glue, then glued some small pieces of metal strips to each side of the stalks, and finally, wrapped electrical tape around the stalks. Looks good from 5 feet away and my stalks are straight and upright again. Hoping this will work for a bit, but I'm looking for some Buell blinkers for a back up.
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post #8 of 20 Old 05-25-2018, 11:59 AM Thread Starter
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I don't quite believe it was that easy, but it looks like JB Weld did the job. I let it cure overnight as recommended.

The shoe repair was also successful.
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post #9 of 20 Old 05-25-2018, 12:01 PM
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I didn't glue mine. Just splinted them with metal on the bottom and back and wrapped with electrical tape. Straight and don't look awful. And since they are not glued the previous break acts as a break away point when I drop the bike again. Straighten and re-tape and back on my way. I keep a "repair kit" on the bike. 2 metal splints and a roll of electrical tape...lol
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post #10 of 20 Old 05-25-2018, 05:54 PM Thread Starter
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Yeah I didn't try to glue the cracked shell back together. It's going to be a really weak joint (not much contact area), and tape both holds it together and forms a seal. So I used tape on the rest of the shell, JB Weld on the post that holds the signal lamp socket. Looks like she'll stay together a while longer.

Electrical tape goes on every ride. Occasionally, I actually use it for something electrical.
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